started a seperate branch to manage translations for v0.3.x based on tags/v0.3.4.2

fixed corrupt language.hdf file for "volume_passwd" (merged from [891])
fixed spelling in "plugin_manager" and "volume_format_fs" (merged from [880])
merged current state of update_po_files.py (removed obsolete revert_unchanged.sh)

translation-base-v0.3/plugins/date/language.hdf

@@ -0,0 +1,47 @@
+Name	= Change date and time
+Link	= Date
+
+Title = Date and time setting
+
+Button.ConfigDate	= Set date and time
+
+Text.Date	= Date
+Text.Time	= Time
+Text.Months {
+	1	= January
+	2	= February
+	3	= March
+	4	= April
+	5	= May
+	6	= June
+	7	= July
+	8	= August
+	9	= September
+	10	= October
+	11	= November
+	12	= December
+}
+
+Help.ChangeDate	= Change the time and date for the CryptoBox server.
+
+SuccessMessage {
+	DateChanged {
+		Title	= Date changed
+		Text	= The date was changed successfully.
+	}
+}
+
+WarningMessage {
+	InvalidDate {
+		Title	= Invalid value
+		Text	= An invalid value for date or time was supplied. Please try again.
+	}
+}
+
+EnvironmentWarning {
+	MissingProgramDate {
+		Title	= Missing program
+		Text	= The program 'date' is not installed. Please ask the administrator of the CryptoBox server to configure it properly.
+	}
+}
+